Annals of the South African Museum |
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Page 6
Darragh ( 1986 ) has recently suggested derivation of Eotrigonia from Neocomian species such as Trigonia vertistriata Skwarko and T. marumbiana Skwarko , via the late Cretaceous T. miriana Skwarko . The writer is unaware of any Senonian ...
Darragh ( 1986 ) has recently suggested derivation of Eotrigonia from Neocomian species such as Trigonia vertistriata Skwarko and T. marumbiana Skwarko , via the late Cretaceous T. miriana Skwarko . The writer is unaware of any Senonian ...
Page 7
Genus Trigonia Brugière , 1789 Type species . Venus sulcata Hermann , 1781 ; ICZN Opinion 327 ( 1955 ) . Diagnosis Escutcheon with radial ornament ; flank costae terminating at the antecarinal sulcus or marginal carina .
Genus Trigonia Brugière , 1789 Type species . Venus sulcata Hermann , 1781 ; ICZN Opinion 327 ( 1955 ) . Diagnosis Escutcheon with radial ornament ; flank costae terminating at the antecarinal sulcus or marginal carina .
Page 27
Trigonia conocardiformis ( Krauss ) Lycett , 1879 : 210 , 211 , 230. Paulcke , 1903 : 309. Kitchin , 1908 : 119 , pl . 7 ( figs 2-4 ) . Lambert , 1944 : 392. Stoyanow , 1949 : 80. Reyes , 1970 : 9 . non Trigonia aff . conocardiiformis ...
Trigonia conocardiformis ( Krauss ) Lycett , 1879 : 210 , 211 , 230. Paulcke , 1903 : 309. Kitchin , 1908 : 119 , pl . 7 ( figs 2-4 ) . Lambert , 1944 : 392. Stoyanow , 1949 : 80. Reyes , 1970 : 9 . non Trigonia aff . conocardiiformis ...
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Common terms and phrases
Alcyonium ANGELES bands base baskets basketwork branches CALIFORN calyces Cape capitulum carina close coil coil foundation coll collected colony colour common continued coral cord crossing decorative depth described Description diagonal Distribution double Durban edge effect elements entire escutcheon example fabric Family figures flank costae flat foundation front genus gives Group growth included Kitchin knotted lateral lattice length LIBRARY margin material mats multiple narrow Natal ornament oversewing patterns placed plain plaited Point polyparium polyps present recorded region Remarks retracted round sclerites seen separate sewing strand sewn shape side single smooth sometimes Sotho South African Museum southern Africa species specimens spindles stalk stitch straight surface technique Thomson Tixier-Durivault Trigonia tuberculate twilled twine twisted Type UNIVERSITY usually warps weave weft wide winnowing baskets woven wrapped Zulu